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Description

Single Personal Message 1.0.3 contains an SQL injection vulnerability that allows authenticated users to execute arbitrary SQL queries by injecting malicious code through the message parameter. Attackers can access the admin interface and supply crafted SQL statements in the message parameter to extract sensitive database information including user credentials and site configuration data.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-09 | Updated 2026-06-09 | Assigner VulnCheck




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Problem types

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

1.0.3
affected

Credits

Lenon Leite finder

References

www.exploit-db.com/exploits/40870 (ExploitDB-40870) exploit

wordpress.org/plugins/simple-personal-message/ (Official Product Homepage) product

lenonleite.com.br/ (Official Product Homepage) product

target/...8,9,10,11,12%20FROM%20wp_terms%20WHERE%20term_id=1 (Reference) third-party-advisory

www.vulncheck.com/...-message-wordpress-plugin-sql-injection (VulnCheck Advisory: Single Personal Message 1.0.3 WordPress Plugin SQL Injection) third-party-advisory

cve.org (CVE-2016-20063)

nvd.nist.gov (CVE-2016-20063)

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